[PATCH 1/4] jscript: Added implementation of Date constructor with more then one argument
Piotr Caban
piotr.caban at gmail.com
Mon Jun 22 06:16:35 CDT 2009
Alexandre Julliard wrote:
> Piotr Caban <piotr.caban at gmail.com> writes:
>
>> @@ -221,6 +253,62 @@ static inline DOUBLE week_day(DOUBLE time)
>> return ret;
>> }
>>
>> +static inline DOUBLE convert_time(int year, SYSTEMTIME st)
>> +{
>> + DOUBLE time;
>> + int set_week_day;
>> +
>> + time = time_from_year(year);
>> + time += (DOUBLE)day_from_month(st.wMonth-1, in_leap_year(time)) * MS_PER_DAY;
>> +
>> + set_week_day = st.wDayOfWeek-week_day(time);
>> + if(set_week_day < 0)
>> + set_week_day += 7;
>> + time += set_week_day * MS_PER_DAY;
>> +
>> + time += (DOUBLE)(st.wDay-1) * 7 * MS_PER_DAY;
>> + if(month_from_time(time) != st.wMonth-1)
>> + time -= 7 * MS_PER_DAY;
>> +
>> + time += st.wHour * MS_PER_HOUR;
>> + time += st.wMinute * MS_PER_MINUTE;
>> +
>> + return time;
>> +}
>
> You should use SystemTimeToFileTime or some similar function, no need to
> reinvent the wheel.
>
In this case SYSTEMTIME keeps information returned by
GetTimeZoneInformation. It's used to store informations about
daylight/standard time adjustment. Because there's no ordinary date
SystemTimeToFileTime can't be used.
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